198191740

素因数分解:

$2^2\times 5^1\times {\mathrm{557}}^1\times {\mathrm{17791}}^1$

素因数の和:18357

約数の個数: 24

約数和(自身を含む): 416973312

約数和(自身を除く): 218781572

約数列:

[1, 2, 4, 5, 10, 20, 557, 1114, 2228, 2785, 5570, 11140, 17791, 35582, 71164, 88955, 177910, 355820, 9909587, 19819174, 39638348, 49547935, 99095870, 198191740]

約数ペア:

[(1, 198191740), (2, 99095870), (4, 49547935), (5, 39638348), (10, 19819174), (20, 9909587), (557, 355820), (1114, 177910), (2228, 88955), (2785, 71164), (5570, 35582), (11140, 17791)]